{"product_id":"delphi-fp10021-fuel-injection-pressure-regulator","title":"Delphi FP10021 Fuel Injection Pressure Regulator","description":"\u003ch2\u003eFuel Pressure Control for OE-Style Repair\u003c\/h2\u003e\u003cp\u003eRestore consistent fuel delivery with this Delphi fuel injection pressure regulator, part number FP10021. Built with a metal body and a returnless outlet design, it is a direct-fit style replacement for many GM trucks, SUVs, and performance applications that use a side-mounted vacuum port, first design regulator.\u003c\/p\u003e\u003cp\u003eDelphi draws on OE heritage and decades of supplier experience, bringing factory-level engineering knowledge to aftermarket fuel system components. For Silverado 1500, Sierra 1500, Tahoe, Yukon, and related applications, FP10021 supports stable fuel pressure control in the fuel injection system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMetal construction for fuel system durability\u003c\/li\u003e\n\u003cli\u003ePush-in inlet type with clamp mounting\u003c\/li\u003e\n\u003cli\u003eReturnless outlet type for supported applications\u003c\/li\u003e\n\u003cli\u003eSingle inlet and single outlet configuration\u003c\/li\u003e\n\u003cli\u003eNo gauge port and non-adjustable design\u003c\/li\u003e\n\u003cli\u003eInlet port diameter: 0.98 in. \/ 25.0 mm\u003c\/li\u003e\n\u003cli\u003eDelphi FP10021 fuel injection pressure regulator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Delphi FP10021 fuel injection pressure regulator is engineered for vehicles that require a side-mounted vacuum port, first design regulator. It is listed across a wide range of Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, and Pontiac applications, including 1996-2005 Chevrolet Silverado 1500, 2000-2005 Chevrolet Tahoe, 1999-2005 GMC Sierra 1500, and 2002-2003 Cadillac Escalade. This part number also appears in performance and truck platforms such as Chevrolet Camaro, Pontiac Firebird, and GMC Savana models.\u003c\/p\u003e\u003cp\u003eThis part cross-references Four Seasons 24027 and Gates 24084 for the same application. The FP10021 is a practical choice when replacing a worn regulator that can affect fuel pressure consistency, idle quality, and drivability.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFuel pressure that is too high or too low\u003c\/li\u003e\n\u003cli\u003eHard starting caused by inconsistent fuel delivery\u003c\/li\u003e\n\u003cli\u003eRough idle or hesitation under load\u003c\/li\u003e\n\u003cli\u003eFuel trim issues related to regulator wear\u003c\/li\u003e\n\u003cli\u003eDriveability concerns on GM fuel injection systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cp\u003eCompatible with vehicles that use the listed side-mounted vacuum port, first design configuration. Fits 2003-2005 Chevrolet Silverado 1500, N\/A; Fits 1999-2000 Chevrolet Silverado 1500, N\/A; Fits 2003-2005 Chevrolet Tahoe, N\/A; Fits 2000 Chevrolet Tahoe, N\/A; Fits 2003-2005 GMC Sierra 1500, N\/A; Fits 1999-2000 GMC Sierra 1500, N\/A; Fits 2003-2005 GMC Yukon, N\/A; Fits 2000 GMC Yukon, N\/A; Fits 2004 Buick Rainier, N\/A; Fits 2003-2004 Chevrolet SSR, N\/A; Fits 2003-2004 Chevrolet Trailblazer EXT, N\/A; Fits 2003-2004 GMC Envoy XL, N\/A; Fits 2004 GMC Envoy XUV, N\/A; Fits 2003-2004 Isuzu Ascender, N\/A; Fits 2002-2003 Cadillac Escalade, N\/A; Fits 2003 Cadillac Escalade ESV, N\/A; Fits 2002-2003 Cadillac Escalade EXT, N\/A; Fits 2003 Chevrolet Avalanche 1500, N\/A; Fits 2002-2003 Chevrolet Avalanche 2500, N\/A; Fits 2003 Chevrolet Express 1500, N\/A; Fits 2003 Chevrolet Express 2500, N\/A; Fits 1996-2003 Chevrolet Express 3500, N\/A; Fits 2001-2003 Chevrolet Silverado 1500 HD, N\/A; Fits 1999-2003 Chevrolet Silverado 2500, N\/A; Fits 2001-2003 Chevrolet Silverado 2500 HD, N\/A; Fits 2001-2003 Chevrolet Silverado 3500, N\/A; Fits 2003 Chevrolet Suburban 1500, N\/A; Fits 2000 Chevrolet Suburban 1500, N\/A; Fits 2000-2003 Chevrolet Suburban 2500, N\/A; Fits 2003 GMC Savana 1500, N\/A; Fits 2003 GMC Savana 2500, N\/A; Fits 1996-2003 GMC Savana 3500, N\/A; Fits 2001-2003 GMC Sierra 1500 HD, N\/A; Fits 1999-2003 GMC Sierra 2500, N\/A; Fits 2001-2003 GMC Sierra 2500 HD, N\/A; Fits 2001-2003 GMC Sierra 3500, N\/A; Fits 2003 GMC Yukon XL 1500, N\/A; Fits 2000 GMC Yukon XL 1500, N\/A; Fits 2000-2003 GMC Yukon XL 2500, N\/A; Fits 2003 Hummer H2, N\/A; Fits 2002 Cadillac Escalade, N\/A; Fits 2002 Chevrolet Avalanche 1500, N\/A; Fits 2001-2002 Chevrolet Silverado 1500, N\/A; Fits 2001-2002 Chevrolet Suburban 1500, N\/A; Fits 2001-2002 Chevrolet Tahoe, N\/A; Fits 2001-2002 GMC Sierra 1500, N\/A; Fits 2001-2002 GMC Yukon, N\/A; Fits 2001-2002 GMC Yukon XL 1500, N\/A; Fits 1998-2001 Chevrolet Camaro, N\/A; Fits 1998-2001 Pontiac Firebird, N\/A; Fits 1996-2000 Chevrolet C2500, N\/A; Fits 1996-2000 Chevrolet C3500, N\/A; Fits 1996-2000 Chevrolet K2500, N\/A; Fits 1996-2000 Chevrolet K3500, N\/A; Fits 1996-2000 GMC C2500, N\/A; Fits 1996-2000 GMC C3500, N\/A; Fits 1996-2000 GMC K2500, N\/A; Fits 1996-2000 GMC K3500, N\/A; Fits 1996-1999 Chevrolet C2500 Suburban, N\/A; Fits 1996-1999 Chevrolet K2500 Suburban, N\/A; Fits 1996-1999 Chevrolet P30, N\/A; Fits 1996-1999 GMC C2500 Suburban, N\/A; Fits 1996-1999 GMC K2500 Suburban, N\/A; Fits 1996-1999 GMC P3500, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi builds aftermarket fuel system parts using OE experience and engineering knowledge developed through long-term supplier relationships with major automakers. FP10021 reflects that OE-focused approach for fuel pressure regulation service.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388597764277,"sku":"BBMX-FP10021","price":87.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_FP10021_Fro_f5ae0116-b7e5-4d78-977e-c6bd71ea6e26.jpg?v=1774712451","url":"https:\/\/www.partcatalog.com\/products\/delphi-fp10021-fuel-injection-pressure-regulator","provider":"PartCatalog","version":"1.0","type":"link"}